Impacts www.nytimes.com What is a megadrought? Yes, the West is in extreme drought. But for part of the region, conditions have been bad for decades, rivaling periods in the distant past.
Impacts www.azcentral.com Western megadrought: Worsened by climate change, most severe in centuries Global warming turned what would have been a moderate 19-year drought into one of most severe 'megadroughts' of the last 1200 years.